forked from community/device-mgt-plugins
Merge pull request #852 from charithag/master
Add siddhi extension to Get json array form given list of argumentsrevert-dabc3590
Kamidu Sachith Punchihewa
7 years ago
committed by
GitHub
commit
97966336eb
@ -0,0 +1,96 @@
|
|||||||
|
/*
|
||||||
|
* Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||||
|
*
|
||||||
|
* WSO2 Inc. licenses this file to you under the Apache License,
|
||||||
|
* Version 2.0 (the "License"); you may not use this file except
|
||||||
|
* in compliance with the License.
|
||||||
|
* You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing,
|
||||||
|
* software distributed under the License is distributed on an
|
||||||
|
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||||
|
* KIND, either express or implied. See the License for the
|
||||||
|
* specific language governing permissions and limitations
|
||||||
|
* under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package org.wso2.extension.siddhi.execution.json;
|
||||||
|
|
||||||
|
import org.json.JSONArray;
|
||||||
|
import org.wso2.siddhi.core.config.ExecutionPlanContext;
|
||||||
|
import org.wso2.siddhi.core.executor.ExpressionExecutor;
|
||||||
|
import org.wso2.siddhi.core.executor.function.FunctionExecutor;
|
||||||
|
import org.wso2.siddhi.query.api.definition.Attribute;
|
||||||
|
import org.wso2.siddhi.query.api.exception.ExecutionPlanValidationException;
|
||||||
|
|
||||||
|
/**
|
||||||
|
* getArray(elements..)
|
||||||
|
* Returns json array of elements as a string
|
||||||
|
* Accept Type(s): (STRING|INT|DOUBLE|FLOAT|OBJECT ..)
|
||||||
|
* Return Type(s): (STRING)
|
||||||
|
*/
|
||||||
|
public class GetArrayFunctionExtension extends FunctionExecutor {
|
||||||
|
|
||||||
|
private Attribute.Type returnType = Attribute.Type.STRING;
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected void init(ExpressionExecutor[] attributeExpressionExecutors,
|
||||||
|
ExecutionPlanContext executionPlanContext) {
|
||||||
|
if (attributeExpressionExecutors.length <= 0) {
|
||||||
|
throw new ExecutionPlanValidationException(
|
||||||
|
"Invalid no of arguments passed to json:getArray() function," + " required one or more, but found "
|
||||||
|
+ attributeExpressionExecutors.length);
|
||||||
|
}
|
||||||
|
Attribute.Type inputType = attributeExpressionExecutors[0].getReturnType();
|
||||||
|
for (int i = 1; i < attributeExpressionExecutors.length; i++) {
|
||||||
|
if (attributeExpressionExecutors[0].getReturnType() != inputType) {
|
||||||
|
throw new ExecutionPlanValidationException(
|
||||||
|
"Parameter types are inconsistent. All parameters should be same");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected Object execute(Object[] data) {
|
||||||
|
|
||||||
|
JSONArray jsonArray = new JSONArray();
|
||||||
|
for (Object obj : data) {
|
||||||
|
jsonArray.put(obj);
|
||||||
|
}
|
||||||
|
return jsonArray.toString();
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
protected Object execute(Object data) {
|
||||||
|
return execute(new Object[]{data});
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void start() {
|
||||||
|
//Nothing to start
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void stop() {
|
||||||
|
//Nothing to stop
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Attribute.Type getReturnType() {
|
||||||
|
return returnType;
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public Object[] currentState() {
|
||||||
|
return null; //No need to maintain a state.
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public void restoreState(Object[] state) {
|
||||||
|
//Since there's no need to maintain a state, nothing needs to be done here.
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
49
components/extensions/siddhi-extensions/org.wso2.extension.siddhi.execution.json/src/test/java/org/wso2/extension/siddhi/execution/json/getPropertyFunctionTestCase.java → components/extensions/siddhi-extensions/org.wso2.extension.siddhi.execution.json/src/test/java/org/wso2/extension/siddhi/execution/json/ExtensionTestCase.java
49
components/extensions/siddhi-extensions/org.wso2.extension.siddhi.execution.json/src/test/java/org/wso2/extension/siddhi/execution/json/getPropertyFunctionTestCase.java → components/extensions/siddhi-extensions/org.wso2.extension.siddhi.execution.json/src/test/java/org/wso2/extension/siddhi/execution/json/ExtensionTestCase.java
@ -0,0 +1,30 @@
|
|||||||
|
|
||||||
|
<!--
|
||||||
|
~ Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
|
||||||
|
~
|
||||||
|
~ WSO2 Inc. licenses this file to you under the Apache License,
|
||||||
|
~ Version 2.0 (the "License"); you may not use this file except
|
||||||
|
~ in compliance with the License.
|
||||||
|
~ you may obtain a copy of the License at
|
||||||
|
~
|
||||||
|
~ http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
~
|
||||||
|
~ Unless required by applicable law or agreed to in writing,
|
||||||
|
~ software distributed under the License is distributed on an
|
||||||
|
~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
||||||
|
~ KIND, either express or implied. See the License for the
|
||||||
|
~ specific language governing permissions and limitations
|
||||||
|
~ under the License.
|
||||||
|
-->
|
||||||
|
|
||||||
|
<!DOCTYPE suite SYSTEM "http://testng.org/testng-1.0.dtd" >
|
||||||
|
|
||||||
|
<suite name="JsonExtensionTestSuite">
|
||||||
|
<parameter name="useDefaultListeners" value="false"/>
|
||||||
|
|
||||||
|
<test name="Extension Unit Tests" preserve-order="true">
|
||||||
|
<classes>
|
||||||
|
<class name="org.wso2.extension.siddhi.execution.json.ExtensionTestCase"/>
|
||||||
|
</classes>
|
||||||
|
</test>
|
||||||
|
</suite>
|
||||||
Loading…
Reference in new issue